1999 pete tach

Discussion in 'Questions From New Drivers' started by jbworm20, Mar 3, 2011.

  1. jbworm20

    jbworm20 Bobtail Member

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    Mar 3, 2011
    Oklahoma
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    I have a 1999 peterbilt 379 EX. I just purchased it a few days ago. The tach is very spuratic , sometimes it works sometimes it doesnt. Any advice on where to start to fix it would be great thanks.
     
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  3. Rerun8963

    Rerun8963 Road Train Member

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    where to start to fix it is at your local pete dealership and get a new one. tachs are not repairable by the average person, heck they probably do not get fixed, but replaced anyways...
     
  4. jbworm20

    jbworm20 Bobtail Member

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    Mar 3, 2011
    Oklahoma
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    I was just told about some wiring issues on the flywheel and that sort of thing , and was wondering how that worked
     
  5. Rerun8963

    Rerun8963 Road Train Member

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    can't help you there...you just bought it, can't the place you bought it from repair it..??
     
  6. o.m.d.

    o.m.d. Heavy Load Member

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    check the wiring on it if you can, possibly a ground. personally i wouldnt want to frig around with it. i hate wires so much. id take it to a mechanic or just leave it. you dont really need a tach that bad.
     
  7. Rerun8963

    Rerun8963 Road Train Member

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    what i do not understand is this, as it stands right now, this is the second person that bought a used truck, and has a problem..
    are these people buying these trucks, "as-is, as-seen", and no warranty..?? i mean how can someone throw away money (wish i could) and NOT get some kind of warranty, or the items fixed BEFORE taking delivery..??

    i see another in the long line of failed owner-operators, due to lack of buying experience, common sense and business savvy....
     
  8. Lonesome

    Lonesome Mr. Sarcasm

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    geee....the guy ask's a simple question, and now he's headed to the poorhouse, has no sense at all, and should probably be flogged.....
     
    blairandgretchen Thanks this.
  9. Rerun8963

    Rerun8963 Road Train Member

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    that's darned right...spend money on a rig, not check it out or buy as-is, or NOT have anything fixed BEFORE buying, he should be flogged...



    no common sense, no business sense.....
     
    o.m.d. Thanks this.
  10. jbworm20

    jbworm20 Bobtail Member

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    Mar 3, 2011
    Oklahoma
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    well the tach is the only issue with the truck and I already fixed it myself loose wire on the back of the tach. How can you judge failer or not by a tach not working geez
     
  11. cessna5354

    cessna5354 Bobtail Member

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    May 9, 2010
    Southern NJ
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    2X checking the ground. Also I believe the source for the tach is the R term off the alternator, if you have a meter, I would check the signal at that end.
     
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